// Copyright (c) 2022 Zhendong Peng (pzd17@tsinghua.org.cn)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#ifndef FRONTEND_SAMPLE_QUEUE_H_
#define FRONTEND_SAMPLE_QUEUE_H_

#include <queue>
#include <string>
#include <vector>

class SampleQueue {
 public:
  void AcceptWaveform(const std::vector<float>& pcm);

  int NumSamples() const { return queue_.size(); }

  bool Read(int num_samples, std::vector<float>* samples);

  void Clear();

 private:
  std::queue<float> queue_;
};

#endif  // FRONTEND_SAMPLE_QUEUE_H_
